To solve this example are needed these knowledge from mathematics:

Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation. See also our trigonometric triangle calculator. Cosine rule uses trigonometric SAS triangle calculator.

Next similar examples:

Diagonals Calculate the length of the diagonals of the rhombus if its side is long 5 and one of its internal angle is 80°.

Angles The triangle is one outer angle 56°30' and one internal angle 46°24'. Calculate the other internal angles of a triangle.

Rotatable tower Rotatable tower situated in the city center has ground shape of a regular polygon. If the tower is rotated by 14.4° around its centerpiece it looks from the side same. Your task is to calculate at least how many vertices can have a ground plan view of the.